CN114308217A - Anti-deviation double-roller sand making machine - Google Patents
Anti-deviation double-roller sand making machine Download PDFInfo
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- CN114308217A CN114308217A CN202111511670.6A CN202111511670A CN114308217A CN 114308217 A CN114308217 A CN 114308217A CN 202111511670 A CN202111511670 A CN 202111511670A CN 114308217 A CN114308217 A CN 114308217A
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Abstract
The invention relates to an anti-deviation double-roller sand making machine, which comprises two crushing rollers arranged on a rack and a driving structure for driving the crushing rollers to rotate, wherein each crushing roller comprises a grinding cylinder and a main shaft, a grinding gap is formed between the two grinding cylinders, each grinding cylinder comprises an outer roller and an inner roller body which is positioned in the outer roller and detachably connected with the outer roller, an annular connecting groove which extends along the circumferential direction of the inner roller body and is positioned on the end face of the grinding cylinder is arranged between the outer roller and the inner roller body, a rotation stopping mechanism for preventing the outer roller from rotating relative to the inner roller body is arranged in the connecting groove, and the rotation stopping mechanism is used for fixing the outer roller and the inner roller body together by opening along the radial direction of the grinding cylinders. The invention aims to provide an anti-deviation pair roller sand making machine, wherein an inner roller body and an outer roller body are fixed together through a radially-opened rotation stopping mechanism, and the problem of labor-consuming assembly and disassembly caused by the fact that the outer roller body and the inner roller body are fixed together in a close fit mode is solved.
Description
Technical Field
The invention relates to a sand making machine, in particular to an anti-deviation double-roller sand making machine.
Background
A sand maker is a mechanical device used to break stone into sand. The structure of the sand making machine has two types, one is a hammer crusher, the other is a double-roller machine (hereinafter referred to as a double-roller sand making machine), the hammer crusher has many wearing parts, large energy consumption, much dust and uneven fineness. The roller pair sand making machine can avoid the defects of much dust and uneven fineness. The patent document with Chinese patent No. 2010202399225, publication No. CN201791554U, entitled "drive mechanism of double-roller sand making machine" discloses a double-roller sand making machine, the crushing of stone into sand by the double-roller sand making machine is realized by rolling a pair of crushing rollers (also called rollers), the crushing roller of the initial double-roller sand making machine is realized by arranging a chain wheel at one end of the crushing roller, then reducing the speed of the output of a motor by a speed reducer and then driving the chain wheel by a chain, therefore, the defects of poor efficiency, large abrasion, small bearing capacity, small impact resistance, large vibration and appearance volume and short continuous operation life exist; the present applicant has devised for this purpose an internally driven pair roller sand mill as disclosed in patent application No. 2016101635735. The sand making machine in the patent has the following defects: although the outer roller is prevented from deviating in an axial opposite pulling mode, the outer roller and the inner roller are prevented from rotating relatively through tight fit, and the mode causes labor for assembling and disassembling the outer roller and the inner roller; the phenomenon that the crushed stone cannot rotate when being clamped by the stone can be encountered in the crushing process, the jamming can be eliminated if the stone which causes the jamming is transposed and then fed and rolled again when the jamming is generated, the existing jamming elimination method is that a crushing roller is fixed with a rack through an air cylinder, the jamming force drives the air cylinder to compress to provide the interval (namely the crushing interval is widened) for separating the crushing barrel when the jamming is generated, and the jamming solving mode can cause the granularity of the sand to exceed the requirement although the manual dredging is carried out without stopping.
Disclosure of Invention
The invention aims to provide an anti-deviation pair roller sand making machine, wherein an inner roller body and an outer roller body are fixed together through a radially-opened rotation stopping mechanism, and the problem of labor-consuming installation and disassembly caused by the fact that the outer roller body and the inner roller body are fixed together in a close fit mode is solved.
The second purpose of the invention is to further provide the deviation-preventing pair-roller sand making machine, which can eliminate the crushing roller without separation when the feed is blocked, and is used for solving the problem that the stone with the granularity not meeting the requirement is mixed into the crushed sand when the crushing roller is separated to eliminate the feed blockage.
The technical problem is solved by the following technical scheme: the utility model provides a prevent off tracking formula pair roller system sand machine, includes the frame, the frame is provided with two crushing drums and drive crushing drum pivoted drive structure, crushing drum is including rolling a section of thick bamboo and main shaft, roll the barrel casing establish and rotate connect in the main shaft, crushing drum passes through the main shaft with the frame links together, and two are rolled to form between the section of thick bamboo and roll the clearance, roll a section of thick bamboo including outer roller and be located outer roller and can dismantle the interior roll body that links together with outer roller, the one end of outer roller is equipped with the inner conical surface section that the inner peripheral surface is the little conical surface in the big inner end in outer end, the one end of interior roll body is equipped with the outer conical surface section that the outer peripheral surface is the little conical surface in the big inner end in outer end, its characterized in that, the opening shape of outer roller is circular, interior roll body is with the coaxial cylindrical with outer roller, the other end of outer roller with be equipped with between the other end of interior roll body along the interior roll body circumference extension lie in roll the annular on the end face of roller The connecting groove is internally provided with a rotation stopping mechanism for preventing the outer roller from rotating relative to the inner roller body; the rotation stopping structure comprises an inner extrusion ring and an outer extrusion ring which are sleeved on an inner roller body, the outer end of the inner extrusion is provided with an inner extrusion ring part conical surface section, the outer peripheral surface of the inner extrusion ring part conical surface section is a conical surface with a large inner end and a small outer end, the inner peripheral surface of the inner extrusion ring part conical surface section is a conical surface with a small inner end and a large outer end, the inner end of the outer extrusion ring is provided with an outer extrusion ring part conical surface section, the outer peripheral surface of the outer extrusion ring part conical surface section is a conical surface with a small inner end and a large outer end, the inner extrusion ring is provided with a plurality of inner extrusion ring part threaded holes which are distributed along the circumferential direction of the inner extrusion ring and extend axially, the outer extrusion ring is provided with a plurality of outer extrusion ring part bolt holes which are distributed along the circumferential direction of a connecting groove, two ends of the connecting groove are respectively supported on the outer peripheral surface of the inner extrusion ring part conical surface section and the outer peripheral surface of the outer extrusion ring conical surface section, the inner extrusion device is characterized in that a plurality of inner extrusion strips are arranged in the connecting groove, two ends of the inner extrusion strips are circumferentially distributed along the connecting groove and respectively supported on the inner peripheral surface of the conical section of the inner extrusion ring part and the inner peripheral surface of the conical section of the outer extrusion ring part, a plurality of tensioning screws penetrate through the bolt holes of the outer extrusion ring part in a one-to-one correspondence mode and then are screwed in the threaded holes of the inner extrusion ring part in a one-to-one correspondence mode, the outer extrusion strips are abutted to the inner peripheral surface of the outer roller together under the extrusion effect of the inner extrusion ring and the inner extrusion ring, and the outer peripheral surface of the inner roller body is abutted to the outer peripheral surface of the inner roller body through the inner extrusion strips. This technical scheme establishes back on interior roll body at outer cylinder cover, will only rotate the mechanism and pour into the spread groove into, then make inside and outside extrusion circle fold through rotating the tensioning screw, the result of folding is realized realizing the fixed of outer roller and interior roll body through frictional force for driving inside and outside extrusion strip supports tightly with interior roll body and outer roller, thereby need not to design outer roller and interior roll body for the tight fit, and this technical scheme locks and only need rotate the tensioning screw when loosening can, thereby it is laborsaving when outer roller and interior roll body are dismantled in the feasible assembly. The roller is fixed through friction force, so that the force for fixing the outer roller and the inner roller body can be controlled conveniently.
Preferably, the outer extrusion strips and the outer peripheral surface of the conical surface section of the inner extrusion ring portion are in matched abutting connection, and the outer extrusion strips and the outer peripheral surface of the conical surface section of the outer extrusion ring portion are in matched abutting connection; the inner extrusion strip and the inner circumferential surface conical surface of the conical surface section of the inner extrusion ring portion are matched and abutted together, and the inner extrusion strip and the inner circumferential surface conical surface of the conical surface section of the outer extrusion ring portion are matched and abutted together. The abrasion between the extrusion ring and the extrusion strip during locking can be reduced.
Preferably, the outer extrusion strips are matched and abutted with the inner circumferential surface cylindrical surface of the outer roller; the inner extrusion strip and the outer circumferential surface cylindrical surface of the inner roller body are matched and abutted together. The abrasion between the extrusion strip and the outer roller and between the extrusion strip and the inner roller during locking can be reduced.
Preferably, the inner circumferential surface of the outer roller is provided with a plurality of outer roller clamping grooves, and the outer extrusion strips are correspondingly arranged in the outer roller clamping grooves in a penetrating manner; the outer peripheral surface of the inner roller body is provided with a plurality of inner roller body part clamping grooves, and the inner extrusion strips penetrate through the inner roller body part clamping grooves in a one-to-one correspondence mode. The friction force transmission part for fixing the outer roller and the inner roller is controlled at the contact part of the extrusion ring and the extrusion strip, so that the friction force transmission part is convenient to replace and improve the convenience in manufacturing when being worn.
Preferably, the outer circumferential surface of the conical surface section of the inner extrusion ring part is provided with an outer friction layer of the inner extrusion ring part, an inner friction layer of the inner extrusion ring part is arranged on the inner peripheral surface of the conical surface section of the inner extrusion ring part, an outer friction layer of the outer extrusion ring part is arranged on the outer peripheral surface of the conical surface section of the outer extrusion ring part, an inner friction layer of the outer extrusion ring part is arranged on the inner circumferential surface of the conical surface section of the outer extrusion ring part, one end of the inner extrusion strip is provided with a first friction layer of the inner extrusion strip part which is abutted with the inner friction layer of the inner extrusion ring part, the other end of the inner extrusion strip is provided with a second friction layer of the inner extrusion strip part which is abutted with the inner friction layer of the outer extrusion ring part, one end of the outer extrusion pressing strip is provided with a first friction layer of the outer extrusion pressing strip part which is abutted with the outer friction layer of the inner extrusion ring part, and the other end of the outer extrusion pressing strip is provided with a second friction layer of the outer extrusion pressing strip part which is abutted with the outer friction layer of the outer extrusion ring part. The control can be better controlled when the force for preventing the outer roller and the inner roller from generating relative rotation is controlled.
The invention also comprises a control unit and a counter, a crushing roller is provided with a slip detection mechanism for detecting whether a slip phenomenon is generated between the inner roller body and the outer roller body, the driving mechanism comprises a driving motor, the slip detection mechanism comprises a conductive strip, a guide sleeve, a cam, a push rod, a separation structure and two conductive rings, the conductive rings are distributed along the axial direction of the crushing roller, the cam and the conductive rings are coaxial with the crushing roller, the cam and the inner roller body are fixed together, the guide sleeve and the outer roller body are fixed together, the push rod extends along the radial direction of the crushing roller and is arranged in the guide sleeve in a penetrating way, one end of the push rod is connected with the conductive strip, the other end of the push rod is aligned with the cam, the conductive strip is aligned with the two conductive rings simultaneously, when the push rod is supported on the protruding part of the cam, the push rod drives the conductive strip to abut against the two conductive rings simultaneously so as to conduct the two conductive rings, the separation structure is used for driving the push rod to drive the conductive strip and the conductive rings to conduct the two conductive rings when the protruding parts of the push rod and the cam are staggered, and the protruding parts of the push rod The conducting ring is fixed with the frame, and the driving motor, the counter and the conducting ring are electrically connected with the control unit; in the process of crushing stone by driving the crushing roller by the forward rotation of the driving motor, when the conducting ring is separated from the conducting bar, the counter starts to record the conducting times N of the conducting bar and the conducting ring, when the N reaches a set value, the control device enables the driving motor to rotate reversely for a set angle and then stops rotating for a set time, and then the timer is reset when the driving motor rotates reversely. Whether can be automatic or the jam produces, can enough make skid detection mechanism reset after producing the jam, can also produce the reversal and make the building stones of jam produce and remove and become flexible, resume to carry out normal crushing from not producing the jam. The second object of the invention is achieved.
Preferably, the disengagement structure is a spring. The structure is simple and durable.
Preferably, one end of the spring is connected with the guide sleeve, and the other end of the spring is connected with the ejector rod.
Preferably, the spring is sleeved on the ejector rod, the ejector rod is provided with a supporting block, one end of the spring is abutted with the guide sleeve, and the other end of the spring is abutted with the supporting block. The structure is compact and good.
Preferably, the cam is an outer cam, the conductive strip is arranged in the conductive ring in a penetrating mode, and the supporting block is arranged at one end, facing the outer cam, of the ejector rod. The preparation is convenient.
Preferably, the two milling drums are staggered axially, and one conducting ring of the two conducting rings of the slip detection mechanism in the two milling drums and one milling drum is sleeved at one end of one milling drum extending out of the other milling drum. The slip detection mechanism can be arranged on the rolling cylinder on the premise that the structure of the rolling cylinder is not changed.
The invention also comprises a stone moving structure for moving the stone to be crushed between the two crushing rollers, and the stone moving structure moves the stone to be crushed between the two crushing rollers when the control device enables the driving motor to rotate reversely by a set angle and then stops. The efficiency of mediation card hinders when can improving the card hinders.
Preferably, the stone moving structure comprises a plurality of shifting pieces which are distributed along the axial direction of the crushing rollers and are positioned between the two crushing rollers and connected with the frame through a swing shaft, and a shifting piece driving mechanism for driving the shifting pieces to swing by taking the swing shaft as a shaft, wherein the swing shaft horizontally extends along the direction vertical to the crushing rollers. Provides a concrete technical proposal of the stone moving structure.
Preferably, a feeding hopper for conveying stone to the crushing rollers is arranged on the rack, a rectangular prism-shaped discharging pipe which extends into a space between the two crushing rollers and is of a flat structure is arranged on the feeding hopper, the length direction of the discharging pipe is consistent with the axial direction of the crushing rollers, the swing shaft is fixed on the outer surface of the discharging pipe, and the shifting sheet is suspended on the discharging pipe through the swing shaft. Compact structure nature is good, can drop the volume that gets into the building stones between two crushing roller for it is more laborsaving abundant to remove the building stones during the card hinders, thereby is convenient for can be fast to the quick whole removals of the building stones that lie in between the crushing roller body, in order to improve the efficiency when dredging the card and hindering.
Preferably, the swing shaft is composed of two half sections, the two half sections are connected to two sides of the blanking pipe, the poking piece is provided with two connecting lugs, and the two swing shafts penetrate through the two connecting lugs in a one-to-one correspondence mode and can be connected to the two connecting lugs in a rotating mode. The pick has good stability when being connected, and the joint is not easy to be damaged.
Preferably, the pendulum shaft is fixedly connected with the blanking pipe. When the shifting piece swings to cause damage, the blanking tube cannot be damaged, and the blanking tube is low in cost and convenient to maintain.
Preferably, the plectrum also includes the extension section that extends to in the unloading pipe, and the pendulum shaft is located between plectrum and the extension section. When the pendulum picked up building stones on the plectrum, the extension section pressed down building stones for the lower pendulum, and the interact of two continuous plectrums can make building stones produce more easily and roll, more can realize once stirring and whole aversion of building stones, and the mediation is efficient.
Preferably, the pick and the extension are located on the same surface. The effect of stirring to promote the stone to turn over is good.
Preferably, adjacent shifting pieces are spaced from the extension section on the other shifting piece along the axial direction of the crushing roller in the process that the shifting pieces rotate by taking the swing shaft as an axis. The anti-rotation reliability of the stone is good when the plectrum is pulled.
Preferably, when the shifting piece swings to the position with the largest angle, the spacing distance between the extending sections of one shifting piece and the other shifting piece in the adjacent shifting pieces is less than 2 centimeters.
Preferably, the feed hopper is further provided with two baffle plates which are distributed along the axial direction of the crushing roller and are positioned at two ends of the blanking pipe, the baffle plates extend into the space between the two rolling cylinders, and the gap between the baffle plates and the outer roller is smaller than the granularity of stone materials to be crushed. The stones falling onto the two crushing rollers can be prevented from scattering without passing through the crushing gap.
Preferably, the plectrum driving mechanism comprises a rack extending along the axial direction of the crushing roller and a translation mechanism driving the rack to translate in a reciprocating manner along the extending direction of the rack, the plectrum is provided with a plurality of driving teeth distributed along the axial direction of the pendulum shaft and distributed in the circumferential direction, and the driving teeth are meshed with the rack together. One set of actuating mechanism just can drive so plectrum, and this design can play supplementary plectrum and maintain vertical state when not stirring moreover.
Compared with the prior art, the method has the following beneficial effects: the outer roller and the inner roller body are fixed together through a radial opening structure, so that the outer roller and the inner roller body are convenient and labor-saving to assemble and disassemble; the outer roller and the inner roller are prevented from rotating relatively through friction force, the friction force is controlled to enable the torque for preventing the outer sleeve from rotating to be larger than the torque generated by the friction force when jamming occurs, so that the outer roller stops and only the inner roller rotates (namely slipping occurs between the outer roller and the inner roller) when jamming occurs, whether jamming occurs or not is judged through detecting whether slipping occurs or not, stone materials blocked by jamming are loosened through reversing when jamming occurs, then crushing is carried out, jamming is eliminated, and manufactured sand is excessively large in particle size due to the fact that two crushing rollers are not required to be separated when jamming occurs; can remove the transposition to the building stones between the crushing roller body when the jam to dredge and eliminate the jam.
Drawings
FIG. 1 is a schematic view of a crushing roller according to a first embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a partially enlarged view of the crushing cylinder according to the second embodiment;
FIG. 4 is a schematic front view illustrating the shift lever of the second embodiment in an initial state;
FIG. 5 is an enlarged partial schematic view of FIG. 4 at B;
FIG. 6 is a schematic cross-sectional view C-C of FIG. 4;
FIG. 7 is an enlarged partial schematic view of FIG. 6 at D;
FIG. 8 is a schematic side view of the crushing roller according to the second embodiment;
fig. 9 is a schematic view of the toggle lever when it is swung to the extreme position.
In the figure: the device comprises a grinding cylinder 1, a main shaft 2, a grinding gap 3, an outer roller 4, an inner roller 5, an inner conical surface section 6, an outer conical surface section 7, a connecting groove 8, a rotation stopping mechanism 9, an inner extrusion ring 10, an outer extrusion ring 11, an inner extrusion ring conical surface section 12, an outer extrusion ring conical surface section 13, an inner extrusion ring threaded hole 14, an outer extrusion strip 15, an inner extrusion strip 16, a tensioning screw 17, an outer roller clamping groove 18, an inner roller clamping groove 19, an inner extrusion ring outer friction layer 20, an inner extrusion ring inner friction layer 21, an outer extrusion ring outer friction layer 22, an outer extrusion ring inner friction layer 23, an inner extrusion strip first friction layer 24, an inner extrusion strip second friction layer 25, an outer extrusion strip first friction layer 26, an outer extrusion strip second friction layer 27, a conductive strip 28, a guide sleeve 29, a cam 30, a push rod 31, a disengaging structure 32, a conductive ring 33, a cam bulge 34, a supporting block 35, The device comprises a swing shaft 36, a shifting piece 37, a feed hopper 38, a feeding pipe 39, a connecting lug 40, an extension section 41, a baffle plate 42, a gap 43 between the baffle plate and an outer roller, a rack 44, a translation mechanism 45, a driving gear 46 and a spacing distance L between one shifting piece of adjacent shifting pieces and the extension section of the other shifting piece when the shifting pieces swing to the position with the largest angle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is that referring to fig. 1 and fig. 2, an anti-deviation pair roller sand making machine comprises a frame, wherein the frame is provided with two crushing rollers and a driving structure for driving the crushing rollers to rotate, and the driving mechanism comprises a driving motor. Crushing cylinder includes a section of thick bamboo 1 and main shaft 2 of rolling, it establishes and rotates to roll the cover and connect in the main shaft, crushing cylinder passes through the main shaft and links together with the frame, it rolls clearance 3 (see fig. 6) to form between two rolls, it includes outer roller 4 and the interior roller 5 that can dismantle the connection together with outer roller that lies in outer roller, the one end of outer roller is equipped with the inner conical surface section 6 that the inner peripheral surface is the little conical surface of the big inner end in outer end, the one end of interior roller is equipped with outer conical surface section 7 that the outer peripheral surface is the little conical surface of the big inner end in outer end. The opening of the outer roller is circular, and the inner roller body is cylindrical and coaxial with the outer roller. An annular connecting groove 8 which extends along the circumferential direction of the inner roller body and is positioned on the end face of the rolling cylinder is arranged between the other end of the outer roller cylinder and the other end of the inner roller body, and a rotation stopping mechanism 9 which prevents the outer roller cylinder from rotating relative to the inner roller body is arranged in the connecting groove. The rotation stopping structure comprises an inner extrusion ring 10 and an outer extrusion ring 11 which are sleeved on an inner roller body, the outer end of the inner extrusion is provided with an inner extrusion ring part conical surface section 12, the outer peripheral surface of the inner extrusion ring part conical surface section is a conical surface with a large inner end and a small outer end, the inner peripheral surface of the inner extrusion ring part conical surface section is a conical surface with a small inner end and a large outer end, the inner peripheral surface of the outer extrusion ring part conical surface section is a conical surface with a small inner end and a large outer end, the inner extrusion ring is provided with a plurality of inner extrusion ring part threaded holes 14 which are distributed along the circumferential direction of the inner extrusion ring and extend axially, the outer extrusion ring is provided with a plurality of outer extrusion ring part bolt holes which are distributed along the circumferential direction of the outer extrusion ring and extend axially, a plurality of outer extrusion battens 15 which are arranged in the connecting groove and both ends of which are respectively supported on the outer peripheral surface of the inner extrusion ring part conical surface and the outer extrusion ring part conical surface, the connecting groove is internally provided with a plurality of inner extrusion strips 16 which are respectively supported on the inner peripheral surface of the conical section of the inner extrusion ring part and the inner peripheral surface of the conical section of the outer extrusion ring part at two ends distributed along the circumferential direction of the connecting groove, a plurality of tensioning screws 17 correspondingly penetrate through the bolt holes of the outer extrusion ring part one by one and then are correspondingly screwed in the threaded holes of the inner extrusion ring part one by one, the outer extrusion strips are butted together with the inner peripheral surface of the outer roller under the extrusion action of the inner extrusion ring and the inner extrusion ring, and the outer peripheral surface of the inner roller body is butted together through the inner extrusion strips. The outer extrusion pressing strip and the outer peripheral surface conical surface of the conical surface section of the inner extrusion ring portion are matched and abutted together, and the outer extrusion pressing strip and the outer peripheral surface conical surface of the conical surface section of the outer extrusion ring portion are matched and abutted together; the inner extrusion strip and the inner peripheral surface conical surface of the conical surface section of the inner extrusion ring portion are matched and abutted together, and the inner extrusion strip and the inner peripheral surface conical surface of the conical surface section of the outer extrusion ring portion are matched and abutted together. The outer extrusion strips are matched and abutted with the inner circumferential surface cylindrical surface of the outer roller; the inner extrusion strip and the outer circumferential surface cylindrical surface of the inner roller body are matched and abutted together.
The second embodiment is different from the first embodiment in that:
referring to fig. 3 to 9, the inner circumferential surface of the outer roller is provided with a plurality of outer roller part clamping grooves 18. The outer roller clamping groove penetrates through the end face of the outer roller. The outer extrusion pressing strips penetrate through the clamping grooves of the outer roller barrel part in a one-to-one correspondence manner; a plurality of inner roller body part clamping grooves 19 are arranged on the outer peripheral surface of the inner roller body and run through the end surface of the inner roller body. The inner extrusion strips are correspondingly arranged in the clamping grooves of the inner roller body part in a penetrating way. An inner extrusion ring part outer friction layer 20 is arranged on the outer peripheral surface of the inner extrusion ring part conical surface section, an inner extrusion ring part inner friction layer 21 is arranged on the inner peripheral surface of the inner extrusion ring part conical surface section, an outer extrusion ring part outer friction layer 22 is arranged on the outer peripheral surface of the outer extrusion ring part conical surface section, an outer extrusion ring part inner friction layer 23 is arranged on the inner peripheral surface of the outer extrusion ring part conical surface section, an inner extrusion strip part first friction layer 24 which is abutted with the inner extrusion ring part inner friction layer is arranged at one end of the inner extrusion strip, an inner extrusion strip part second friction layer 25 which is abutted with the outer extrusion ring part inner friction layer is arranged at the other end of the inner extrusion strip, an outer extrusion strip part first friction layer 26 which is abutted with the inner extrusion ring part outer friction layer is arranged at one end of the outer extrusion strip, and an outer extrusion strip part second friction layer 27 which is abutted with the outer extrusion ring part outer friction layer is arranged at the other end of the outer extrusion strip.
The invention also comprises a control unit and a counter, and the crushing roller is provided with a slip detection mechanism for detecting whether the slip phenomenon is generated between the inner roller body and the outer roller body. The slip detection mechanism comprises a conductive bar 28, a guide sleeve 29, a cam 30, a push rod 31, a disengaging structure 32 and two conductive rings 33. The two conducting rings are distributed along the axial direction of the crushing roller, the cam and the conducting rings are coaxial with the crushing roller, and the cam is an outer cam. The cam is together fixed with interior roller body, and the uide bushing is together fixed with outer roller, and the ejector pin just wears to establish in the uide bushing along crushing roller's radial extension, and the one end of ejector pin links together with the conducting strip, and the other end aligns with the cam, and the conducting strip aligns with two conducting rings simultaneously, and ejector pin drive conducting strip butt simultaneously makes two conducting rings switch on two conducting rings when the ejector pin supports the bellying 34 at the cam. The separation structure is used for driving the ejector rod to drive the driving conductive bar to be separated from the conductive ring when the ejector rod and the protruding part of the cam are staggered, the conductive ring and the frame are fixed together, and one of the two conductive rings is sleeved on the outer roller. The driving motor, the counter and the conducting ring are electrically connected with the control unit; in the process of crushing stones by driving the crushing roller through forward rotation of the driving motor, when the conducting ring is separated from the conducting bar, the counter starts to record the conducting times N of the conducting bar and the conducting ring, and when the N reaches a set value (the set value is 1 in the embodiment, and the abrasion of a friction layer can be reduced), the control device enables the driving motor to rotate backwards for a set angle (the set angle is 90 degrees in the embodiment) and then stops rotating forwards for a set time (the set time is 3 seconds in the embodiment), and the timer is reset when the driving motor rotates backwards. The disengaging structure is a spring. One end of the spring is connected with the guide sleeve, and the other end of the spring is connected with the ejector rod, specifically: the spring is sleeved on the ejector rod, a supporting block 35 is arranged on the ejector rod, one end of the spring is abutted with the guide sleeve, and the other end of the spring is abutted with the supporting block. The conducting bar is arranged in the conducting ring in a penetrating mode, and the supporting block is arranged at one end, facing the outer cam, of the ejector rod. Two the section of thick bamboo of rolling staggers along the axial, and two of the detection mechanism that skids in two sections of rolls, a section of thick bamboo of rolling a conducting ring cover is established one and is rolled a section of thick bamboo and stretch out one end of another section of thick bamboo of rolling.
The invention also comprises a stone moving structure for moving the stone to be crushed between the two crushing rollers, and the stone moving structure moves the stone to be crushed between the two crushing rollers when the control device enables the driving motor to rotate reversely by a set angle and then stops. The stone moving structure comprises a plurality of shifting pieces 37 which are distributed along the axial direction of the crushing rollers and are positioned between the two crushing rollers and connected with the frame through a swinging shaft 36, and a shifting piece driving mechanism for driving the shifting pieces to swing by taking the swinging shaft as a shaft, wherein the swinging shaft horizontally extends along the direction vertical to the crushing rollers. The frame is provided with a feeding hopper 38 for conveying stone materials to the crushing rollers, the feeding hopper is provided with a rectangular discharging pipe 39 extending into a flat structure between the two crushing rollers, the length direction of the discharging pipe is consistent with the axial direction of the crushing rollers, a swing shaft is fixed on the outer surface of the discharging pipe, and a shifting piece is suspended on the discharging pipe through the swing shaft. The pendulum shaft comprises two half sections, and two half sections are connected in the both sides of unloading pipe, and the plectrum is equipped with two engaging lugs 40, and two pendulum shafts wear to establish and can connect on two engaging lugs with rotating one-to-one. The half sections are welded and fixed together with the blanking pipe. The plectrum also includes the extension 41 that extends to in the blanking pipe, and the pendulum shaft is located between plectrum and extension. The plectrum and the extension section are positioned on the same surface. And adjacent shifting pieces are spaced from the extension section on the other shifting piece along the axial direction of the crushing roller in the process that the shifting pieces rotate by taking the swing shaft as the shaft. When the shifting piece swings to the position with the largest angle, the spacing distance L between the extending sections of one shifting piece and the other shifting piece in the adjacent shifting pieces is less than 2 cm, which is 2 mm in the embodiment. The feeder hopper still is equipped with two baffle 42 that are located the unloading pipe both ends along crushing roller axial distribution, the baffle stretches into between two crushing barrels, and the clearance 43 between baffle and the outer cylinder is less than the granularity of treating kibbling building stones, also just the building stones can not fall out from the circumference of crushing roller body under the effect of bottom. The paddle drive mechanism comprises a rack 44 extending axially along the crushing drum and a translation mechanism 45 driving the rack to translate reciprocally in the direction of extension of the rack. The translation mechanism is a cylinder. The shifting piece is provided with a plurality of driving teeth 46 which extend along the axial direction of the swing shaft and are distributed along the circumferential direction, and the driving teeth are meshed with the rack.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a prevent off tracking formula pair roller system sand machine, includes the frame, the frame is provided with two crushing drums and drive crushing drum pivoted drive structure, crushing drum is including rolling a section of thick bamboo and main shaft, roll the barrel casing establish and rotate connect in the main shaft, crushing drum passes through the main shaft with the frame links together, and two are rolled to form between the section of thick bamboo and roll the clearance, roll a section of thick bamboo including outer roller and be located outer roller and can dismantle the interior roll body that links together with outer roller, the one end of outer roller is equipped with the inner conical surface section that the inner peripheral surface is the little conical surface in the big inner end in outer end, the one end of interior roll body is equipped with the outer conical surface section that the outer peripheral surface is the little conical surface in the big inner end in outer end, its characterized in that, the opening shape of outer roller is circular, interior roll body is with the coaxial cylindrical with outer roller, the other end of outer roller with be equipped with between the other end of interior roll body along the ring that lies in that interior roll body circumference extends The connecting groove is internally provided with a rotation stopping mechanism for preventing the outer roller from rotating relative to the inner roller body; the rotation stopping structure comprises an inner extrusion ring and an outer extrusion ring which are sleeved on an inner roller body, the outer end of the inner extrusion is provided with an inner extrusion ring part conical surface section, the outer peripheral surface of the inner extrusion ring part conical surface section is a conical surface with a large inner end and a small outer end, the inner peripheral surface of the inner extrusion ring part conical surface section is a conical surface with a small inner end and a large outer end, the inner end of the outer extrusion ring is provided with an outer extrusion ring part conical surface section, the outer peripheral surface of the outer extrusion ring part conical surface section is a conical surface with a small inner end and a large outer end, the inner extrusion ring is provided with a plurality of inner extrusion ring part threaded holes which are distributed along the circumferential direction of the inner extrusion ring and extend axially, the outer extrusion ring is provided with a plurality of outer extrusion ring part bolt holes which are distributed along the circumferential direction of a connecting groove, two ends of the connecting groove are respectively supported on the outer peripheral surface of the inner extrusion ring part conical surface section and the outer peripheral surface of the outer extrusion ring conical surface section, the inner extrusion device is characterized in that a plurality of inner extrusion strips are arranged in the connecting groove, two ends of the inner extrusion strips are circumferentially distributed along the connecting groove and respectively supported on the inner peripheral surface of the conical section of the inner extrusion ring part and the inner peripheral surface of the conical section of the outer extrusion ring part, a plurality of tensioning screws penetrate through the bolt holes of the outer extrusion ring part in a one-to-one correspondence mode and then are screwed in the threaded holes of the inner extrusion ring part in a one-to-one correspondence mode, the outer extrusion strips are abutted to the inner peripheral surface of the outer roller together under the extrusion effect of the inner extrusion ring and the inner extrusion ring, and the outer peripheral surface of the inner roller body is abutted to the outer peripheral surface of the inner roller body through the inner extrusion strips.
2. The deviation-preventing pair-roller sand making machine according to claim 1, wherein the outer extrusion strips are in matched and abutted connection with the outer peripheral surface of the conical section of the inner extrusion ring part in a conical manner, and the outer extrusion strips are in matched and abutted connection with the outer peripheral surface of the conical section of the outer extrusion ring part in a conical manner; the inner extrusion strip and the inner circumferential surface conical surface of the conical surface section of the inner extrusion ring portion are matched and abutted together, and the inner extrusion strip and the inner circumferential surface conical surface of the conical surface section of the outer extrusion ring portion are matched and abutted together.
3. The deviation-preventing pair-roller sand making machine according to claim 1 or 2, wherein the outer extrusion strips are matched with and abutted against the inner circumferential surface cylindrical surface of the outer roller; the inner extrusion strip and the outer circumferential surface cylindrical surface of the inner roller body are matched and abutted together.
4. The deviation-preventing pair-roller sand making machine according to claim 1 or 2, wherein a plurality of outer roller clamping grooves are formed in the inner circumferential surface of the outer roller, and the outer extrusion strips penetrate through the outer roller clamping grooves in a one-to-one correspondence manner; the outer peripheral surface of the inner roller body is provided with a plurality of inner roller body part clamping grooves, and the inner extrusion strips penetrate through the inner roller body part clamping grooves in a one-to-one correspondence mode.
5. The deviation-preventing pair-roller sand making machine according to claim 4, wherein the outer peripheral surface of the conical surface section of the inner extrusion ring part is provided with an outer friction layer of the inner extrusion ring part, an inner friction layer of the inner extrusion ring part is arranged on the inner peripheral surface of the conical surface section of the inner extrusion ring part, an outer friction layer of the outer extrusion ring part is arranged on the outer peripheral surface of the conical surface section of the outer extrusion ring part, an inner friction layer of the outer extrusion ring part is arranged on the inner circumferential surface of the conical surface section of the outer extrusion ring part, one end of the inner extrusion strip is provided with a first friction layer of the inner extrusion strip part which is abutted with the inner friction layer of the inner extrusion ring part, the other end of the inner extrusion strip is provided with a second friction layer of the inner extrusion strip part which is abutted with the inner friction layer of the outer extrusion ring part, one end of the outer extrusion pressing strip is provided with a first friction layer of the outer extrusion pressing strip part which is abutted with the outer friction layer of the inner extrusion ring part, and the other end of the outer extrusion pressing strip is provided with a second friction layer of the outer extrusion pressing strip part which is abutted with the outer friction layer of the outer extrusion ring part.
6. The deviation-preventing pair-roller sand making machine according to claim 1 or 2, characterized by further comprising a control unit and a counter, wherein the crushing roller is provided with a slip detection mechanism for detecting whether a slip phenomenon occurs between the inner roller and the outer roller, the drive mechanism comprises a drive motor, the slip detection mechanism comprises a conductive strip, a guide sleeve, a cam, a push rod, a separation structure and two conductive rings, the conductive rings are distributed along the axial direction of the crushing roller, the cam and the conductive rings are coaxial with the crushing roller, the cam and the inner roller are fixed together, the guide sleeve and the outer roller are fixed together, the push rod extends along the radial direction of the crushing roller and penetrates through the guide sleeve, one end of the push rod is connected with the conductive strip, the other end of the push rod is aligned with the cam, the conductive strip is aligned with two conductive rings simultaneously, when the push rod is supported on the protruding part of the cam, the push rod drives the conductive strip to abut against the two conductive rings simultaneously to conduct the two conductive rings, the separation structure is used for driving the ejector rod to drive the conductive strip to be separated from the conductive ring when the ejector rod is staggered with the convex part of the cam, the conductive ring is fixed with the rack, and the driving motor, the counter and the conductive ring are electrically connected with the control unit; in the process of crushing stone by driving the crushing roller by the forward rotation of the driving motor, when the conducting ring is separated from the conducting bar, the counter starts to record the conducting times N of the conducting bar and the conducting ring, when the N reaches a set value, the control device enables the driving motor to rotate reversely for a set angle and then stops rotating for a set time, and then the timer is reset when the driving motor rotates reversely.
7. The deviation prevention pair roller sand making machine according to claim 6, wherein the disengaging structure is a spring.
8. The deviation-preventing pair-roller sand making machine according to claim 7, wherein one end of the spring is connected with the guide sleeve, and the other end of the spring is connected with the ejector rod.
9. The deviation-preventing pair-roller sand making machine according to claim 8, wherein the spring is sleeved on a top rod, a support block is arranged on the top rod, one end of the spring is abutted with the guide sleeve, and the other end of the spring is abutted with the support block.
10. The deviation preventing pair roller sand making machine according to claim 9, wherein the cam is an outer cam, the conductive strip is arranged in the conductive ring in a penetrating mode, and the supporting block is arranged at one end, facing the outer cam, of the ejector rod.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111511670.6A CN114308217B (en) | 2021-12-11 | 2021-12-11 | Anti-deviation double-roller sand making machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111511670.6A CN114308217B (en) | 2021-12-11 | 2021-12-11 | Anti-deviation double-roller sand making machine |
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| CN114308217B CN114308217B (en) | 2022-12-16 |
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| CN113351291A (en) * | 2021-06-05 | 2021-09-07 | 浙江辰泰机械制造有限公司 | Enhanced inner driving type double-roller sand making machine |
| CN113426516A (en) * | 2021-06-05 | 2021-09-24 | 浙江辰泰机械制造有限公司 | Thick and thin separating type pair roller sand making machine |
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| GB190927528A (en) * | 1909-11-26 | 1910-09-15 | William Arthur Hiscox | Improvements in Grinding and Crushing Mills. |
| CN104028335A (en) * | 2014-07-06 | 2014-09-10 | 祁阳宇晖机电实业有限公司 | Anti-skid press roller |
| CN204034783U (en) * | 2014-08-04 | 2014-12-24 | 广州市金宇风动钎机有限公司 | Breaker roll |
| CN205587047U (en) * | 2016-03-22 | 2016-09-21 | 衢州市辰泰机械制造有限公司 | To husky machine of roll -type system |
| CN205587062U (en) * | 2016-03-22 | 2016-09-21 | 衢州市辰泰机械制造有限公司 | Make husky quick -witted smashing cylinder assembly |
| CN206549723U (en) * | 2016-04-25 | 2017-10-13 | 李拥军 | A kind of roller of Double roller type sand maker |
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| CN113426516A (en) * | 2021-06-05 | 2021-09-24 | 浙江辰泰机械制造有限公司 | Thick and thin separating type pair roller sand making machine |
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| Publication number | Publication date |
|---|---|
| CN114308217B (en) | 2022-12-16 |
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